GPUSB101A

© Generalplus Technology Inc.

Proprietary & Confidential

28

Sep 24, 2014

Version: 1.4

10.4.7. Reserved write

Command Block Wrapper 15th byte-30th byte

Byte Bit

7

6

5

4

3

2

1

0

0

1

EX XX

2

3

4

5

(MSB)

Reserved

6

7

8

(MSB)

Reserved

9

10

11

Operation Code

Function

Comment

0xEX XX

Reserved write

*CBW Byte 15: 0xEX

*CBW Byte 16: 0xXX

*CBW Byte 29-30: GP Tag

Example:

1. Application: PC + GPUSB101A + GPF8

2. PC issue customer command 0xE000 to GPF8

3. *CBW Byte 15 = 0xE0 & *CBW Byte 16 = 0x00,

4. GPUSB101A will transfer two bytes data 0xE0, 0x00 to GPF8, and then continue transfer N bytes data to GPF8. N = CBW Byte 8-11

dCBWDataTransferLength:

10.4.8. Reserved Read

Command Block Wrapper 15th byte-30th byte

Byte Bit

7

6

5

4

3

2

1

0

0

1

DX XX

2

3

4

5

(MSB)

Reserved

6

7

8

(MSB)

Reserved

9

10

11